This is a totally practical light that is also great as a club accessory. This super-bright white LED light fits right around your ear, is ultra light and comfortable, and swivels in all directions to focus light right where you want it. Great for working on computers, in the garage, or reading, as it points light right where you are looking. Note: Fits around the Right Ear only. Fits most adult ears. Uses 2 replaceable LR1130 batteries (included).